21907091518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{9907}}^1\times {\mathrm{85049}}^1$

素因数の和:94971

約数の個数: 16

約数和(自身を含む): 35392366800

約数和(自身を除く): 13485275282

約数列:

[1, 2, 13, 26, 9907, 19814, 85049, 128791, 170098, 257582, 1105637, 2211274, 842580443, 1685160886, 10953545759, 21907091518]

約数ペア:

[(1, 21907091518), (2, 10953545759), (13, 1685160886), (26, 842580443), (9907, 2211274), (19814, 1105637), (85049, 257582), (128791, 170098)]